Last name Olaza (Olaza 
) , across the world, is a rare family name. The cognomen Olaza is characteristic of Latin America and the Caribbean, particularly Uruguay, where it is quite a rare surname, Peru, and Argentina, where it is a very rare surname. Very seldom, Olaza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olaza | Peru, Argentina, Spain, Indonesia, Uruguay |
| mónica olaza Uruguayan writer, UY (b. 1964) |
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| juana gonzález diaz y lópez de olaza Peerage person ID=324088 |
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| lucas olaza Uruguayan footballer, UY (b. 1994) |
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Max, Ariel, Chris, Cesar, Cendy, Betsy, Bruce, Paula, Pablo, Percy, Rocio, Danna, Lucia, Lucas, Jarod, Jaime, Jorge, Jesus, Julia, Julio, Nancy, Eider, Angie, Melyy, Mauro, Marco, Ana, Mark, Maju, Alex, Alan, Adri, Paul, Ruth, Luis, Jose, Heber, Jona, Tula, Elsa, Elva, Erik, Hugo, Irma, Yodi, Yody, Maria, Mario, Juan, and Hilda